header {
  background-color: #f4483e;
}
nav {
  height: 5rem;
  padding: 0 1.5rem;
  background-image: linear-gradient(#fff, #ccc);
}
nav a {
  font-size: 1.8rem;
  line-height: 5rem;
}
nav .navright {
  width: 8rem;
  height: 4rem;
  float: right;
  text-align: center;
  border-radius: 0.7rem;
  line-height: 4rem;
  margin-top: 0.5rem;
  border: 1px solid #ccc;
  background-image: linear-gradient(#ccc, #fff);
}
main {
  height: 100%;
}
main ul li {
  float: left;
}
main ul li a {
  display: block;
  height: 25rem;
  width: 25rem;
  text-align: center;
}
main ul li a img {
  width: 20rem;
  margin: 0 auto;
  background-color: #23b347;
  margin-top: 5rem;
}
main ul li a p {
  font-size: 3rem;
  line-height: 3rem;
}
